Помогите пожалуйста закончить уравнения реакций
1) K+ ? --> KOH + ?
2) Fe + H2O --> ? + ?
3) Fe + ? --> FeCl2 + ?
4) Fe + ? --> FeCl3
5) FeCl2 + ? --> Fe(OH)2 + ?
6) ZnO --> KOH --> ? --> H2O
7) Li2O + ? --> LiOh
8) Al(OH)3 --> ? --> AlCl3 + ?
9) ? --> Al2O3 + H2O
10) Ca(OH)2 + ? --> CaCO3 + ?
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